一、Mat转一维数组数组
Mat mat; //方法1,vector std::vector<uchar> array(mat.rows*mat.cols); if (mat.isContinuous()) array = mat.data; 或者 std::vector<uchar> array; if (mat.isContinuous()) { array.assign(mat.datastart, mat.dataend); } else { for (int i = 0; i < mat.rows; ++i) { array.insert(array.end(), mat.ptr<uchar>(i), mat.ptr<uchar>(i)+mat.cols); } } //方法2,数组 unsigned char *array=new unsigned char[mat.rows*mat.cols]; if (mat.isContinuous()) array = mat.data;
二、一维数组转Mat.net
Mat Array2Mat(uchar *array, int row, int col) { uchar **array = new uchar[row][col]; for (int i = 0; i <row; ++i) { for (int j = 0; j < col; ++j) { array[i][j] = array[i * col + j] ; } } Mat img(row ,col, CV_8UC1, (unsigned char*)array); return img; }
三、Mat转二维数组code
Mat Vec2Mat(uchar **array, int row, int col) { Mat img(row ,col, CV_8UC1); uchar *ptmp = NULL; for (int i = 0; i <row; ++i) { ptmp = img.ptr<uchar>(i); for (int j = 0; j < col; ++j) { ptmp[j] = array[i][j]; } } return img; }
四、二维数组转Matblog
方法一: unsigned char array[height][width]; cv::Mat mat(height, width, CV_8UC1, (unsigned char*)array ); 方法二: uchar** Mat2Vec(Mat mat) { uchar **array = new uchar*[mat.rows]; for (int i = 0; i<mat.rows; ++i) array[i] = new uchar[mat.cols]; for (int i = 0; i < mat.rows; ++i) { for (int j = 0; j < mat.cols; ++j) { array[i][j] = mat.at<uchar>(i, j); } } return array; }
参考连接:https://blog.csdn.net/liufang0109/article/details/79472059?utm_source=blogxgwz4get